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    http://www.apache.org/licenses/LICENSE-2.0

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title: volumeupbutton

volumeupbutton

當使用者按下了按鈕卷時，將觸發該事件。

document.addEventListener("volumeupbutton", yourCallbackFunction, false);

詳細資訊

如果您需要重寫預設卷起來的行為你可以註冊為事件攔截器 volumeupbutton 事件。

應用程式通常應使用 document.addEventListener 將一個事件攔截器附加一次 [deviceready](events.deviceready.html) 事件火災。

支援的平臺

黑莓 10

快速的示例

document.addEventListener("volumeupbutton", onVolumeUpKeyDown, false);

function onVolumeUpKeyDown() {
    // Handle the volume up button
}

完整的示例

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN"
                      "http://www.w3.org/TR/html4/strict.dtd">
<html>
  <head>
    <title>Volume Up Button Example</title>

    <script type="text/javascript" charset="utf-8" src="cordova.js"></script>
    <script type="text/javascript" charset="utf-8">

    // Wait for device API libraries to load
    //
    function onLoad() {
        document.addEventListener("deviceready", onDeviceReady, false);
    }

    // device APIs are available
    //
    function onDeviceReady() {
        // Register the event listener
        document.addEventListener("volumeupbutton", onVolumeUpKeyDown, false);
    }

    // Handle the volume up button
    //
    function onVolumeUpKeyDown() {
    }

    </script>
  </head>
  <body onload="onLoad()">
  </body>
</html>